Braskem GM7746C HDPE Blow Molding Polyethylene

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Braskem GM7746C HDPE Blow Molding Polyethylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Blow Molding Grade
Material Notes:	GM7746C is a high-density polyethylene specially developed for the manufacturing of blow molding fuel tanks. It has high molar mass and excellent mechanical properties. It also shows excellent tenacity, high resistance to stress cracking, and outstanding impact resistance. Its applications include: mono and multilayer fuel tanks for automobiles, small volume automotive reservoirs, and sheet extrusion for pickup rear protectors.
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Physical Properties	Original Value	Comments

Density	0.944 g/cc	ASTM-D792
ESCR 100% Igepal®	>= 1000 hour @Thickness 2.00 mm, Temperature 50.0 °C	0.3 mm notched-plaques; ASTM-D1693
Melt Flow	4.5 g/10 min @Load 21.6 kg, Temperature 190 °C	ASTM-D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	62	ASTM-D2240
Tensile Strength at Break	42.0 MPa	ASTM-D638
Tensile Strength, Yield	23.0 MPa	ASTM-D638
Elongation at Break	880 %	ASTM-D638
Elongation at Yield	13 %	ASTM-D638
Flexural Modulus, 1% Secant	890 MPa	ASTM-D790
Izod Impact, Notched	760 J/m	ASTM-D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	70.0 °C	ASTM-D648
Vicat Softening Point	126 °C @Load 1.02 kg	ASTM-D1525

**
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PBRAS806 / 106652

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